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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 103 (Engine Control System - Diagnostic Codes (4 Of 7)) >> SFI SYSTEM (for 1Motor-HEV Model) >> DTC P0606-47: Control Module Processor Watchdog/Safety MCU Failure [09/2023 - ] >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.

The ECM continuously monitors its main CPU and monitor IC. This self-check ensures that the ECM is functioning properly. If outputs from main CPU and monitor IC are different and deviate from the standard, the ECM will illuminate the MIL and store this DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Priority Note
P0606-47 Control Module Processor Watchdog/Safety MCU Failure ECM main CPU malfunction (1 trip detection logic). ECM Comes on Engine A
  • SAE Code: P0606
  • DTC for Mexico Models: Applies